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vfs: annotate mountlist_mtx with __exclusive_cache_line

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This commit is contained in:
mjg 2020-10-17 08:47:08 +00:00
parent a1e1df92a6
commit 4098e1a350
2 changed files with 2 additions and 2 deletions
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2
sys/kern/vfs_mount.c
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@ -96,7 +96,7 @@ static uma_zone_t mount_zone;
struct mntlist mountlist = TAILQ_HEAD_INITIALIZER(mountlist);
/* For any iteration/modification of mountlist */
struct mtx mountlist_mtx;
struct mtx_padalign __exclusive_cache_line mountlist_mtx;
MTX_SYSINIT(mountlist, &mountlist_mtx, "mountlist", MTX_DEF);
EVENTHANDLER_LIST_DEFINE(vfs_mounted);

2
sys/sys/mount.h
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@ -997,7 +997,7 @@ int vfs_suser(struct mount *, struct thread *);
void vfs_unbusy(struct mount *);
void vfs_unmountall(void);
extern TAILQ_HEAD(mntlist, mount) mountlist; /* mounted filesystem list */
extern struct mtx mountlist_mtx;
extern struct mtx_padalign mountlist_mtx;
extern struct nfs_public nfs_pub;
extern struct sx vfsconf_sx;
#define vfsconf_lock() sx_xlock(&vfsconf_sx)